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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@iota/iota-sdk/dist/esm/keypairs/ed25519
Просмотр файла: publickey.js
import { fromBase64 } from "@iota/bcs";
import nacl from "tweetnacl";
import { bytesEqual, PublicKey } from "../../cryptography/publickey.js";
import { SIGNATURE_SCHEME_TO_FLAG } from "../../cryptography/signature-scheme.js";
import { parseSerializedSignature } from "../../cryptography/signature.js";
const PUBLIC_KEY_SIZE = 32;
class Ed25519PublicKey extends PublicKey {
/**
* Create a new Ed25519PublicKey object
* @param value ed25519 public key as buffer or base-64 encoded string
*/
constructor(value) {
super();
if (typeof value === "string") {
this.data = fromBase64(value);
} else if (value instanceof Uint8Array) {
this.data = value;
} else {
this.data = Uint8Array.from(value);
}
if (this.data.length !== PUBLIC_KEY_SIZE) {
throw new Error(
`Invalid public key input. Expected ${PUBLIC_KEY_SIZE} bytes, got ${this.data.length}`
);
}
}
/**
* Checks if two Ed25519 public keys are equal
*/
equals(publicKey) {
return super.equals(publicKey);
}
/**
* Return the byte array representation of the Ed25519 public key
*/
toRawBytes() {
return this.data;
}
/**
* Return the IOTA address associated with this Ed25519 public key
*/
flag() {
return SIGNATURE_SCHEME_TO_FLAG["ED25519"];
}
/**
* Verifies that the signature is valid for the provided message
*/
async verify(message, signature) {
let bytes;
if (typeof signature === "string") {
const parsed = parseSerializedSignature(signature);
if (parsed.signatureScheme !== "ED25519") {
throw new Error("Invalid signature scheme");
}
if (!bytesEqual(this.toRawBytes(), parsed.publicKey)) {
throw new Error("Signature does not match public key");
}
bytes = parsed.signature;
} else {
bytes = signature;
}
return nacl.sign.detached.verify(message, bytes, this.toRawBytes());
}
}
Ed25519PublicKey.SIZE = PUBLIC_KEY_SIZE;
export {
Ed25519PublicKey
};
//# sourceMappingURL=publickey.js.map
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